A nice drill to play and have fun, developing dexterity and understanding of the cause-effect relationship; berto, the baby clementoni drill, entertains children by teaching the first letters and many new words with many songs, nursery rhymes and light effects; by pressing the interactive button the drill bit really turns reproducing the real noise of this tool and the back lights up, creating lighting effects that attract the attention of the child; the button also activates lights and sounds; ssoso one tool with mechanical activities that help develop your child's manual dexterity, who has since learned how to grab and shake him or gg ounces; talking electronic, 3 lr44 batteries are required for the drill (included in the package); berto stimulates the child's imitative play, imagination, creativity and multisensory development; modern design and vibrant colors ideal for the sense of sight; a game recommended for children from 9 months.